56215247471 has 16 divisors (see below), whose sum is σ = 59904085248. Its totient is φ = 52569254400.

The previous prime is 56215247467. The next prime is 56215247489. The reversal of 56215247471 is 17474251265.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56215247471 - 2² = 56215247467 is a prime.

It is a super-3 number, since 3×56215247471³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56215247441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5468066 + ... + 5478336.

It is an arithmetic number, because the mean of its divisors is an integer number (3744005328).

Almost surely, 2^56215247471 is an apocalyptic number.

56215247471 is a deficient number, since it is larger than the sum of its proper divisors (3688837777).

56215247471 is a wasteful number, since it uses less digits than its factorization.

56215247471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12322.

The product of its digits is 470400, while the sum is 44.

The spelling of 56215247471 in words is "fifty-six billion, two hundred fifteen million, two hundred forty-seven thousand, four hundred seventy-one".